CCNA 2 - Capitulo 12.3

CCNA 2 - Capitulo 12.3

1. WIRELESS NETWORK

   • WLAN OPERATION
     • 802.11 WIRELESS TOPOLOGY MODES
       • AD HOC MODE
         • EX : WIRELESS CLIENTS CONNECTING DIRECTLY EACH USING BLUETOTH OR WIFI DIRECT
         • INDEPENDENT BASIC SERVICE SET (IBSS)
         • TWO DEVICES CONNECT WIRELESSLY IN A
           • PEER TO PEER (P2P)
             • MANNER WITHOUT USING AP OR WIRELESS ROUTERS
       • INFRAESTRUCTURE MODE
         • WIRELESS CLIENTS INTERCONNECT VIA
           • WIRELESS ROUTER
           • ACCESS POINT
           • CONNECT TO THE NETWORK USING WIRED
         • TWO TOPOLOGY BUILDING BLOCKS
           • BASIC SERVICE SET - BSS
             • WHATS IS ?
               • 1 SINGLE AP INTERCONNECTING
                 • ALL ASSOCIATED WIRELESS CLIENTS
             • COVERAGE AREA
               • IS CALLED SUCH
                 • BASIC SERVICE AREA (BSA)
               • WHAT HAPPENS WHEN A CUSTOMER LEAVES THE COVERAGE AREA?
                 • IT CAN NO LONGER DIRECTLY COMMUNICATE WITH OTHER WIRELLES CLIENTE WITHIN THE BSA
             • BSSID = FORMAL NAME OF THE BSS
             • HOW IS BSS IDENTIFIED?
               • LAYER 2 MAC ADDRES OF AP ,
                 • WHICH IS CALLED BSSID.
           • EXTENDED SERVICE SET - ESS
             • WHATS YOUR PURPOSE ?
               • WHEN SINGLE BSS INSUFFICIENT COVERAGE AREA THEN ESS HE DOES UNION OF TWO OR MORE BSSs
                 • JOINED THROUGH A COMMON DISTRIBUITION SYSTEM (DS) INTERCONNECTED BY A EIRED DS
             • EACH BSS ID IDENTIFIED BY ITS BSSID (MAC)
             • EACH ESS IS IDENTIFIED BY A SSID
             • WHATS IS ROAMING MOBILE ?
               • CLIENTS MAY MOVE FROM ONE BSA TO ANOTHER AND SEAMLESSLY CONNECT
       • VARIANT AD HOC TOPOLOGY
         • THETERING (HOTSPOT)
           • SMARTPHONE WITH CELLULAR DATA ACCES IS ENABLE TO CREATE
             • PERSONAL HOTSPOT
           • EX : SHARED DATA MOVEL WITH OTHER PERSONAL
           • QUICK SOLUTION